Measures 140709 SEO Factors

138987 Built-In SEO Factors

130075 On-page SEO Factors

8912 Google Maps SEO Factors for Local SEO

1722 SEO Factors from APIs

147 API SEO Factors for off-page SEO like backlinks and referring domains.

[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]

1575 Technology Stack SEO Factors

[ Wappalyzer API ]

The Cora Shared Data contains over 300 million SEO factor measurements and grows hourly.

Google Maps and Bing Factors are not yet available for viewing but will be coming soon!
Aggregate SEO Weather Top SEO Factors - Aggregate SEO Weather

TOP SEO Factors for 2022-3     previous - today - next

Top SEO Factor data is updated daily for latest "month to date" measurements.

NameCorrelation#1 MaxPage 1 AvgUsage %Searches %
1Number of Top 50 Shared Factors Used   Diversity-0.33442697 %86 %
2Number of Top 100 Shared Factors Used   Diversity-0.32875497 %85 %
3Number of Distinct Entities Used   Diversity-0.32602896 %76 %
4Number of Factors Used   Diversity-0.2921214297 %93 %
5Number of Top 200 Shared Factors Used   Diversity-0.291479497 %85 %
6Variations in HTML Tags   Relevancy-0.26118020392 %95 %
7Variations in Body Tags   Relevancy-0.25120117991 %93 %
8Ahrefs Referring Domains   Authority-0.24739817166 %23 %
9Ahrefs Referring Class C Addresses   Authority-0.2430868466 %23 %
10Ahrefs Referring IP Addresses   Authority-0.24511511665 %23 %
11Variations in P Tags   Relevancy-0.231783682 %94 %
12Variations in Div Tags   Relevancy-0.2366711690 %92 %
13Variations in H1-H6 Tags   Relevancy-0.2331983 %93 %
14Variations in H1, H2, and H3 Tags   Relevancy-0.2324782 %92 %
15Entities in H2 Tags-0.2335660 %75 %
16Ahrefs NoFollow Backlinks   Authority-0.235634470358 %22 %
17Entities in Title Tag   Relevancy-0.237381 %72 %
18Entities in H3 Tags-0.2331649 %74 %
19Variations in Sentences   Relevancy-0.223752882 %92 %
20Ahrefs Backlinks   Authority-0.229242711048866 %23 %
21Ahrefs Referring Pages   Authority-0.229242711048866 %23 %
22Ahrefs Text Backlinks   Authority-0.229239961043165 %23 %
23Entities in Sentences   Relevancy-0.22128310474 %99 %
24Ahrefs Rank   Authority-0.22691883 %17 %
25Variations in H1 and H2 Tags   Relevancy-0.2218580 %91 %
26Variations in A Tags   Relevancy-0.221472582 %93 %
27Ahrefs Dofollow Backlinks   Authority-0.21913980985057 %23 %
28Term Frequency   Relevancy-0.217491 %92 %
29Variations in LI Tags   Relevancy-0.21751872 %93 %
30Variations in H2 Tags   Relevancy-0.2117454 %91 %
31Exact Matches in the HTML Tag   Relevancy-0.27681444 %88 %
32Variations in A Tag HREF Attributes   Relevancy-0.22344479 %93 %
33Keywords in pages top 10 most used phrases-0.25272 %85 %
34Clean Keyword Density in the HTML Tag   Relevancy-0.211485 %80 %
35Entities in the HTML Tag   Relevancy-0.2190231476 %95 %
36Variations in Distinct A Tag HREF Attributes   Relevancy-0.21843079 %91 %
37Ahrefs Word Count   Size-0.24493159269 %17 %
38Body Tag Size Kilobytes   Size-0.24758382 %90 %
39Variations in Script Tags   Relevancy-0.22973570 %94 %
40Variations in Search Result Display URL   Relevancy-0.24289 %77 %
41Variations in Search Result Link Text   Relevancy-0.194289 %78 %
42Clean Text Kilobytes   Size-0.191241292 %86 %
43Unabridged Word Count   Size-0.1917546182196 %90 %
44Leading Variations in H1-H6 Tags   Relevancy-0.1912254 %89 %
45Keywords in pages top 5 most used phrases-0.194262 %85 %
46Exact Matches in Body Tag   Relevancy-0.195491438 %90 %
47Variation Density in Top 30KB   Relevancy-0.1910377 %82 %
48Leading Variations in H1, H2, and H3 Tags   Relevancy-0.199251 %88 %
49Number of Sentences   Size-0.197096894 %90 %
50DomDetailer Majestic Referring Subnets   Authority-0.19919651518596 %38 %
51Entities in H1 Tags-0.1910266 %65 %
52DomDetailer Moz PA   Authority-0.19684797 %35 %
53Variations in ALT Attributes   Relevancy-0.1958754 %90 %
54Variations in the Title Tag   Relevancy-0.195284 %78 %
55DomDetailer Majestic IPs   Authority-0.184078075392396 %39 %
56Variations in Search Result URL Path   Relevancy-0.185268 %75 %
57Page Size Kilobytes   Size-0.1856415196 %87 %
58Variations in H3 Tags   Relevancy-0.1816341 %89 %
59Ahrefs Has Dofollow Backlinks   Authority-0.181155 %22 %
60Variations in Span Tags   Relevancy-0.18461060 %90 %
61Variations in the Canonical URL   Relevancy-0.185266 %84 %
62Number of P Tags   Size-0.181524090 %87 %
63DomDetailer Majestic Referring Domains   Authority-0.18283450632926296 %40 %
64DomDetailer Majestic CF   Authority-0.18624096 %37 %
65Variations in Absolute URLs   Relevancy-0.184714472 %91 %
66Number of HTML Tags   Size-0.18216085897 %85 %
67Ahrefs Internal Links   Authority-0.1899914173 %23 %
68Keywords in pages top 3 most used phrases-0.183152 %84 %
69Ahrefs Has Text Backlinks   Authority-0.181163 %22 %
70Ahrefs Has Backlinks   Authority-0.181164 %22 %
71Entities in Meta Description Tag   Relevancy-0.1822364 %67 %
72Variations in First 100 Words   Relevancy-0.1826872 %78 %
73Ahrefs Has NoFollow Backlinks   Authority-0.171157 %21 %
74Variations in Search Result URL   Relevancy-0.175270 %78 %
75Variations in H1 Tags   Relevancy-0.174270 %79 %
76LSI Words in Sentences   Relevancy-0.17796461067 %97 %
77Variations in Main Tags   Relevancy-0.174954836 %88 %
78Ahrefs External Links   Authority-0.177353070 %22 %
79Word Count   Size-0.1715963185096 %88 %
80DomDetailer Moz DA   Authority-0.17814597 %34 %
81Variations in Nav Tags   Relevancy-0.171901950 %87 %
82Has Entities in H2 Tags   Relevancy-0.171163 %67 %
83Number of Heading Tags   Size-0.17942293 %87 %
84Exact Matches in H1-H6 Tags   Relevancy-0.1719231 %87 %
85Exact Matches in Top 30KB   Relevancy-0.1734334 %68 %
86Entities in H4 Tags-0.1715326 %71 %
87Variations in Meta Description   Relevancy-0.1711263 %85 %
88Number of Questions   Size-0.1785769 %87 %
89Ahrefs Images   Relevancy-0.17912466 %16 %
90Variations in Search Result Document File Name   Relevancy-0.164268 %69 %
91DomDetailer Majestic Links   Authority-0.1614327972596269596 %39 %
92Variations in Footer Tags   Relevancy-0.1659839 %82 %
93Ahrefs Pages   Size-0.1610275 %22 %
94DomDetailer Majestic TF   Authority-0.16573091 %36 %
95TF/IDF   Relevancy-0.161172 %81 %
96Ahrefs Domain Rating   Authority-0.16834487 %16 %
97Variations in OpenGraph Title   Relevancy-0.165264 %75 %
98DomDetailer Moz Rank   Authority-0.169597 %34 %
99Number of HTTPS Links   Authority-0.1645413993 %81 %
100Exact Matches in Sentences   Relevancy-0.1630227 %89 %
101Number of Images with ALT Text   Size-0.16711885 %86 %
102Ahrefs Image Backlinks-0.16222297187027 %21 %
103DomDetailer Facebook Shares   Authority-0.169909915-536167691 %38 %
104Has Entities in H1 Tags   Relevancy-0.161170 %61 %
105Ahrefs Has Image Backlinks   Authority-0.161127 %19 %
106Has Entities in H3 Tags   Relevancy-0.161152 %66 %
107Variations in OpenGraph Description   Relevancy-0.169256 %82 %
108Number of Images   Size-0.164712892 %86 %
109Ahrefs Linked Root Domains   Authority-0.1622872 %22 %
110Number of Links   Authority-0.1646114394 %82 %
111Variation Count in Top 30KB   Relevancy-0.161633684 %76 %
112Number of H2 Tags   Size-0.1616778 %88 %
113Search Result Summary Length   Size-0.1640515897 %62 %
114Number of DoFollow Links   Authority-0.1644713794 %80 %
115Variations in the last 100 words   Relevancy-0.1616459 %81 %
116Number Of JSON-LD Types   Relevancy-0.16551059 %80 %
117Leading Variations in Title Tag   Relevancy-0.151138 %75 %
118DomDetailer Moz Links   Authority-0.151331828701744054496 %38 %
119Number of Internal Links   Authority-0.1544912593 %83 %
120Title Tag Has Entities   Relevancy-0.151181 %58 %
121Exact Matches in Title Tag   Relevancy-0.154129 %79 %
122Leading Variations in H2 Tags   Relevancy-0.155125 %84 %
123Number of H3 Tags   Size-0.1522870 %85 %
124Variations in Strong Tags   Relevancy-0.1515334 %83 %
125Leading Variations in H1 Tags   Relevancy-0.152133 %78 %
126Number of Absolute URLs   Authority-0.1562414394 %84 %
127Inline JavaScript Kilobytes   Size-0.154303191 %82 %
128Ahrefs Has EDU Backlinks   Authority-0.151112 %14 %
129Headings Has Question   Other-0.151140 %77 %
130DomDetailer Majestic GOV Backlinks   Authority-0.1534872560358614145 %36 %
131Has JSON-LD Question-0.14115 %68 %
132Ahrefs EDU Backlinks   Authority-0.1410126562712 %15 %
133Has JSON-LD Answer-0.14115 %68 %
134Number of Questions In H2 Tags   Size-0.144124 %81 %
135Variations in Section Tags   Relevancy-0.141161940 %83 %
136Exact Matches in A Tags   Relevancy-0.1496325 %86 %
137Keywords in pages most used phrase-0.141128 %76 %
138Variations in TITLE Attributes   Relevancy-0.1479738 %84 %
139Variations making whole A Tags   Relevancy-0.147235 %81 %
140Variations in Article Tags   Relevancy-0.141452034 %79 %
141Variations in ID Attributes   Relevancy-0.1412215 %82 %
142Variations Making Whole LI Tags   Relevancy-0.145128 %80 %
143Number of Questions In Headings   Size-0.147244 %27 %
144Ahrefs Has Internal Links   Authority-0.141172 %21 %
145Ahrefs Page Size   Size-0.14613582969471 %16 %
146Variations in Search Result Summary   Relevancy-0.147392 %60 %
147Ahrefs Has Linked Root Domains   Authority-0.141171 %20 %
148Number of External Links   Authority-0.14601889 %76 %
149Leading Variations in H3 Tags   Relevancy-0.147118 %82 %
150Ahrefs Has External Links   Authority-0.141169 %21 %
151Variations Making Whole Span Tags   Relevancy-0.148120 %83 %
152Exact Matches in H2 Tags   Relevancy-0.1415115 %87 %
153Ahrefs Redirects   Authority-0.14637714 %18 %
154Exact Matches in H1 Tags   Relevancy-0.142123 %78 %
155Variations in H4-H6 Tags   Relevancy-0.1417224 %81 %
156LSI Words in H2 Tags   Relevancy-0.14861654 %95 %
157Meta Description Tag Has Entities   Relevancy-0.131165 %60 %
158Ahrefs Has Images   Other-0.131164 %14 %
159Number of Questions In H3 Tags   Size-0.1312117 %79 %
160Variations making whole H1-H6 Tags   Relevancy-0.134118 %78 %
161Load Time Milliseconds   Performance-0.1345246249897 %64 %
162Variations in H4 Tags   Relevancy-0.136119 %81 %
163Ahrefs Has Redirects   Authority-0.131114 %16 %
164Inline CSS Kilobytes   Size-0.131503364 %78 %
165Has Entities in H4 Tags   Relevancy-0.131129 %60 %
166Number of DoFollow External Links   Authority-0.13581687 %74 %
167Variations making whole H1, H2, and H3 Tags   Relevancy-0.132116 %77 %
168Head Size Kilobytes   Size-0.131644491 %76 %
169LSI Words in Title Tag   Relevancy-0.1326565 %93 %
170Number of Prices   Size-0.133753371 %71 %
171Number of US Phone Numbers   Trust-0.1368842 %74 %
172Variations in I Tags   Relevancy-0.1329635 %78 %
173LSI Words in H3 Tags   Relevancy-0.12861647 %93 %
174Exact Matches in Meta Description   Relevancy-0.123118 %81 %
175Number Of Claimed Brands   Other-0.1211221 %71 %
176Variations in Class Attributes   Relevancy-0.12262629 %78 %
177Has Schema Markup   Relevancy-0.121168 %71 %
178Number of H4 Tags   Size-0.1273546 %76 %
179Has JSON-LD AggregateRating-0.12116 %62 %
180Has JSON-LD Website-0.121137 %58 %
181Title Has Sales Words   Other-0.121114 %68 %
182DomDetailer Facebook Comments   Authority-0.125136010 %34 %
183Title Has Sentiment Words   Other-0.121115 %67 %
184Variations in OpenGraph Site Name   Relevancy-0.122113 %71 %
185Number of NoFollow External Links   Authority-0.1242324 %78 %
186Ahrefs RSS Backlinks   Authority-0.126925 %12 %
187Percentage of DoFollow Internal Links   Authority-0.12958192 %69 %
188Has US Phone Number   Trust-0.121141 %58 %
189Number of Nofollow Links   Authority-0.1270635 %78 %
190Word Count in Meta Description   Size-0.12692272 %72 %
191Number of HREF Lang Tags   Size-0.1225211 %74 %
192Meta Description Length   Size-0.1240512972 %72 %
193Has JSON-LD ImageObject-0.121137 %64 %
194Number of Social Accounts   Authority-0.1220254 %71 %
195Number of JavaScript Includes   Technology-0.12331589 %68 %
196Ahrefs Has RSS Backlinks   Authority-0.12115 %12 %
197Has Canonical URL   Authority-0.121180 %70 %
198Ahrefs Has Domain Rating   Authority-0.121183 %13 %
199Variations in Figure Tags   Relevancy-0.1290614 %79 %
200Has Meta Twitter Card   Authority-0.121153 %59 %